[ovs-dev] [PATCH] FAQ: Mention kernel support for MPLS in Open vSwitch 2.4.

Simon Horman horms at verge.net.au
Thu Aug 14 21:02:56 UTC 2014


On Thu, Aug 14, 2014 at 11:17:30AM -0700, Ben Pfaff wrote:
> The recent mailing list thread about MPLS reminded me that the FAQ needs an
> update.
> 
> CC: Simon Horman <horms at verge.net.au>
> Signed-off-by: Ben Pfaff <blp at nicira.com>


Acked-by: Simon Horman <horms at verge.net.au>

> ---
>  FAQ | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/FAQ b/FAQ
> index 3470983..d98c091 100644
> --- a/FAQ
> +++ b/FAQ
> @@ -1239,12 +1239,14 @@ A: Before version 1.11, Open vSwitch did not support MPLS.  That is,
>     packet.  Kernel datapath support is unchanged from earlier
>     versions.
>  
> -   Open vSwitch version 2.2 will be able to match, push, or pop up to
> -   3 MPLS labels.  Looking past MPLS labels into the encapsulated
> -   packet will still be unsupported.  Both userspace and kernel
> -   datapaths will be supported, but MPLS processing always happens in
> -   userspace either way, so kernel datapath performance will be
> -   disappointing.
> +   Open vSwitch version 2.3 can match, push, or pop up to 3 MPLS
> +   labels.  Looking past MPLS labels into the encapsulated packet will
> +   still be unsupported.  Both userspace and kernel datapaths will be
> +   supported, but MPLS processing always happens in userspace either
> +   way, so kernel datapath performance will be disappointing.
> +
> +   Open vSwitch version 2.4 will have kernel support for MPLS,
> +   yielding improved performance.
>  
>  Q: I'm getting "error type 45250 code 0".  What's that?
>  
> -- 
> 1.9.1
> 



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